Run results for: Array_diff

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Best	149050448.0 Ops/sec
Mine	146135952.0 Ops/sec

Script Preparation code:

var a = [1,2,2,2,3,4,5,6,8,4,5,8,4,6,3,5];
var b = [2,4];

Tests:

Best
function array_diff(a, b) { return a.filter(function(x) { return b.indexOf(x) == -1; }); }
Mine
function array_diff(a, b) { let arrStr = a.join(''); b.forEach(function(item) { arrStr = arrStr.replace(new RegExp(item, 'g'), ''); }); return arrStr.split('').map(function(t){return parseInt(t)}); }